747856233 has 10 divisors (see below), whose sum is σ = 1117168074. Its totient is φ = 498570768.

The previous prime is 747856223. The next prime is 747856237. The reversal of 747856233 is 332658747.

It can be written as a sum of positive squares in only one way, i.e., 742671504 + 5184729 = 27252^2 + 2277^2 .

It is not a de Polignac number, because 747856233 - 2²¹ = 745759081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (747856237) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4616316 + ... + 4616477.

Almost surely, 2^747856233 is an apocalyptic number.

It is an amenable number.

747856233 is a deficient number, since it is larger than the sum of its proper divisors (369311841).

747856233 is an equidigital number, since it uses as much as digits as its factorization.

747856233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9232805 (or 9232796 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 747856233 is about 27346.9602149855. The cubic root of 747856233 is about 907.6938073880.

It can be divided in two parts, 74785 and 6233, that added together give a palindrome (81018).

The spelling of 747856233 in words is "seven hundred forty-seven million, eight hundred fifty-six thousand, two hundred thirty-three".